Table 1.
Variable scores (means and standard deviations) for each of the four profiles and for the total group (n = 246).
| Cluster |
||||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | Combined | ||
| Age (years) | M | 54.2 | 55.6 | 58.7 | 54.9 | 55.9 |
| SD | 10.8 | 10.6 | 10.3 | 9.4 | 10.4 | |
| Many everyday sounds are unbearably loud to me. | M | 60.6 | 49.5 | 15.9 | 14.1 | 36.5 |
| SD | 36.5 | 35.0 | 22.8 | 22.8 | 36.5 | |
| Sounds that others believe are moderately loud are too loud to me. | M | 63.2 | 56.8 | 19.3 | 18.6 | 40.8 |
| SD | 35.8 | 31.8 | 25.2 | 25.1 | 36.4 | |
| I hear very soft sounds that others with normal hearing do not hear. | M | 21.9 | 15.5 | 7.4 | 15.3 | 15.2 |
| SD | 32.7 | 30.8 | 21.4 | 26.1 | 28.5 | |
| Describe the most prominent PITCH of your tinnitus by using a scale from 1 to 10. | M | 8.6 | 7.9 | 7.6 | 8.1 | 8.1 |
| SD | 1.7 | 1.9 | 2.3 | 1.1 | 1.9 | |
| Describe the LOUDNESS of your tinnitus by using a scale from 1 to 100. | M | 83.2 | 66.6 | 65.6 | 68.0 | 71.4 |
| SD | 18.3 | 19.2 | 25.4 | 15.7 | 21.3 | |
| During the time you are awake, what percentage of the time is your tinnitus present? | M | 96.7 | 91.2 | 91.8 | 91.7 | 92.8 |
| SD | 9.3 | 20.2 | 17.3 | 18.8 | 16.6 | |
| On the average, how many days per month are you bothered by tinnitus? | M | 29.3 | 25.5 | 28.5 | 25.3 | 27.3 |
| SD | 3.4 | 8.9 | 4.5 | 8.7 | 6.8 | |
| How many months have you had tinnitus? | M | 114.2 | 141.2 | 141.4 | 127.2 | 130.5 |
| SD | 121.3 | 193.12 | 156.2 | 170.8 | 159.2 | |
| Pitch average (Hz) | M | 4957.4 | 4774.8 | 4962.5 | 4834.7 | 4888.9 |
| SD | 2845.9 | 2949.2 | 2968.5 | 2602.1 | 2828.4 | |
| Loudness match (dB HL) | M | 56.1 | 47.4 | 52.3 | 40.4 | 49.7 |
| SD | 16.2 | 17.8 | 14.3 | 11.2 | 16.2 | |
| Sensation level of loudness match (loudness match – threshold) | M | 31.2 | 25.0 | 30.7 | 21.2 | 27.5 |
| SD | 16.4 | 15.3 | 15.7 | 8.3 | 15.0 | |
| Iowa Tinnitus Handicap Questionnaire | M | 67.1 | 50.7 | 34.3 | 36.5 | 48.1 |
| SD | 11.3 | 15.5 | 15.4 | 12.8 | 19.3 | |
| Iowa Tinnitus Handicap Questionnaire (THQ) Factor 1 | M | 68.8 | 46.3 | 28.2 | 33.8 | 45.4 |
| SD | 15.1 | 21.0 | 19.8 | 17.2 | 24.3 | |
| Iowa Tinnitus Handicap Questionnaire (THQ) Factor 2 | M | 64.4 | 54.6 | 35.2 | 31.7 | 47.6 |
| SD | 22.7 | 20.6 | 23.0 | 18.1 | 25.2 | |
| Trait Anxiety Questionnaire (20−80) | M | 49.6 | 42.9 | 33.8 | 35.3 | 40.8 |
| SD | 11.3 | 9.7 | 8.2 | 7.3 | 11.4 | |
| Iowa Tinnitus Activities Questionnaire (Concentration subscale) | M | 80.2 | 46.8 | 33.6 | 42.3 | 52.0 |
| SD | 13.4 | 24.0 | 25.9 | 20.7 | 28.2 | |
| Iowa Tinnitus Activities Questionnaire (Emotional subscale) | M | 81.1 | 65.0 | 44.7 | 56.8 | 62.6 |
| SD | 18.5 | 22.6 | 21.9 | 20.8 | 24.9 | |
| Iowa Tinnitus Activities Questionnaire (Hearing subscale) | M | 74.5 | 58.5 | 44.6 | 49.1 | 57.5 |
| SD | 22.2 | 23.9 | 23.8 | 27.8 | 26.8 | |
| Iowa Tinnitus Activities Questionnaire (Sleep subscale) | M | 72.5 | 36.4 | 31.4 | 31.6 | 44.5 |
| SD | 26.7 | 33.0 | 30.2 | 32.7 | 35.2 | |
| Iowa Tinnitus Activities Questionnaire (overall score) | M | 77.1 | 51.7 | 38.6 | 44.9 | 54.1 |
| SD | 11.9 | 19.6 | 17.6 | 15.5 | 22.2 | |
| Beck Depression Inventory Questionnaire (0−59) | M | 15.6 | 8.4 | 5.2 | 4.8 | 8.9 |
| SD | 8.3 | 6.1 | 4.3 | 3.2 | 7.4 | |
| Recent Life Change Questionnaire (0−3,545) | M | 279.5 | 218.1 | 112.3 | 196.5 | 203.6 |
| SD | 227.9 | 171.6 | 111.9 | 156.4 | 183.8 | |
| Somatic Perception (0−39) | M | 10.0 | 5.5 | 3.6 | 3.0 | 5.8 |
| SD | 6.9 | 4.5 | 3.8 | 2.6 | 5.6 | |
Note. Unless otherwise noted, the scales go from 0 to 100.